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    /* $OpenBSD: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */  | 
    
    
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    /****************************************************************************  | 
    
    
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     * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc.              *  | 
    
    
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     *                                                                          *  | 
    
    
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     * Permission is hereby granted, free of charge, to any person obtaining a  *  | 
    
    
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     * copy of this software and associated documentation files (the            *  | 
    
    
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     * "Software"), to deal in the Software without restriction, including      *  | 
    
    
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     * without limitation the rights to use, copy, modify, merge, publish,      *  | 
    
    
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     * distribute, distribute with modifications, sublicense, and/or sell       *  | 
    
    
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     * copies of the Software, and to permit persons to whom the Software is    *  | 
    
    
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     * furnished to do so, subject to the following conditions:                 *  | 
    
    
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     *                                                                          *  | 
    
    
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     * The above copyright notice and this permission notice shall be included  *  | 
    
    
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     * in all copies or substantial portions of the Software.                   *  | 
    
    
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     *                                                                          *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *  | 
    
    
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     * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *  | 
    
    
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     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *  | 
    
    
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     * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *  | 
    
    
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     * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *  | 
    
    
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     * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *  | 
    
    
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     * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *  | 
    
    
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     *                                                                          *  | 
    
    
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     * Except as contained in this notice, the name(s) of the above copyright   *  | 
    
    
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     * holders shall not be used in advertising or otherwise to promote the     *  | 
    
    
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     * sale, use or other dealings in this Software without prior written       *  | 
    
    
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     * authorization.                                                           *  | 
    
    
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     ****************************************************************************/  | 
    
    
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    /****************************************************************************  | 
    
    
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     *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *  | 
    
    
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     *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *  | 
    
    
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     *     and: Thomas E. Dickey                        1996-on                 *  | 
    
    
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     ****************************************************************************/  | 
    
    
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    /*  | 
    
    
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    **	lib_instr.c  | 
    
    
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    **  | 
    
    
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    **	The routine winnstr().  | 
    
    
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    **  | 
    
    
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    */  | 
    
    
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    #include <curses.priv.h>  | 
    
    
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    MODULE_ID("$Id: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $") | 
    
    
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    NCURSES_EXPORT(int)  | 
    
    
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    winnstr(WINDOW *win, char *str, int n)  | 
    
    
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    { | 
    
    
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        int i = 0, row, col;  | 
    
    
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        T((T_CALLED("winnstr(%p,%p,%d)"), win, str, n)); | 
    
    
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        if (!str)  | 
    
    
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    	returnCode(0);  | 
    
    
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        if (win) { | 
    
    
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    	getyx(win, row, col);  | 
    
    
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    	if (n < 0)  | 
    
    
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    	    n = win->_maxx - win->_curx + 1;  | 
    
    
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    	for (; i < n;) { | 
    
    
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    #if USE_WIDEC_SUPPORT  | 
    
    
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    	    cchar_t *cell = &(win->_line[row].text[col]);  | 
    
    
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    	    wchar_t *wch;  | 
    
    
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    	    attr_t attrs;  | 
    
    
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    	    short pair;  | 
    
    
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    	    int n2;  | 
    
    
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    	    bool done = FALSE;  | 
    
    
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    	    mbstate_t state;  | 
    
    
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    	    size_t i3, n3;  | 
    
    
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    	    char *tmp;  | 
    
    
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    	    if (!isWidecExt(*cell)) { | 
    
    
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    		n2 = getcchar(cell, 0, 0, 0, 0);  | 
    
    
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    		if (n2 > 0  | 
    
    
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    		    && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) { | 
    
    
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    		    if (getcchar(cell, wch, &attrs, &pair, 0) == OK) { | 
    
    
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    			init_mb(state);  | 
    
    
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    			n3 = wcstombs(0, wch, 0);  | 
    
    
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    			if (isEILSEQ(n3) || (n3 == 0)) { | 
    
    
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    			    ;  | 
    
    
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    			} else if ((int) (n3 + i) > n) { | 
    
    
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    			    done = TRUE;  | 
    
    
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    			} else if ((tmp = typeCalloc(char, n3 + 10)) == 0) { | 
    
    
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    			    done = TRUE;  | 
    
    
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    			} else { | 
    
    
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    			    init_mb(state);  | 
    
    
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    			    wcstombs(tmp, wch, n3);  | 
    
    
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    			    for (i3 = 0; i3 < n3; ++i3)  | 
    
    
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    				str[i++] = tmp[i3];  | 
    
    
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    			    free(tmp);  | 
    
    
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    			}  | 
    
    
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    		    }  | 
    
    
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    		    free(wch);  | 
    
    
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    		    if (done)  | 
    
    
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    			break;  | 
    
    
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    		}  | 
    
    
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    	    }  | 
    
    
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    #else  | 
    
    
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    	    str[i++] = (char) CharOf(win->_line[row].text[col]);  | 
    
    
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    #endif  | 
    
    
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    	    if (++col > win->_maxx) { | 
    
    
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    		break;  | 
    
    
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    	    }  | 
    
    
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    	}  | 
    
    
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        }  | 
    
    
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        str[i] = '\0';		/* SVr4 does not seem to count the null */  | 
    
    
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        T(("winnstr returns %s", _nc_visbuf(str))); | 
    
    
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        returnCode(i);  | 
    
    
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    }  |